summaryrefslogtreecommitdiff
path: root/node_modules/moment/src/lib/duration/create.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/moment/src/lib/duration/create.js')
-rw-r--r--node_modules/moment/src/lib/duration/create.js133
1 files changed, 133 insertions, 0 deletions
diff --git a/node_modules/moment/src/lib/duration/create.js b/node_modules/moment/src/lib/duration/create.js
new file mode 100644
index 0000000..a82c376
--- /dev/null
+++ b/node_modules/moment/src/lib/duration/create.js
@@ -0,0 +1,133 @@
+import { Duration, isDuration } from './constructor';
+import isNumber from '../utils/is-number';
+import toInt from '../utils/to-int';
+import absRound from '../utils/abs-round';
+import hasOwnProp from '../utils/has-own-prop';
+import { DATE, HOUR, MINUTE, SECOND, MILLISECOND } from '../units/constants';
+import { cloneWithOffset } from '../units/offset';
+import { createLocal } from '../create/local';
+import { createInvalid as invalid } from './valid';
+
+// ASP.NET json date format regex
+var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
+ // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
+ // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
+ // and further modified to allow for strings containing both week and day
+ isoRegex =
+ /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
+
+export function createDuration(input, key) {
+ var duration = input,
+ // matching against regexp is expensive, do it on demand
+ match = null,
+ sign,
+ ret,
+ diffRes;
+
+ if (isDuration(input)) {
+ duration = {
+ ms: input._milliseconds,
+ d: input._days,
+ M: input._months,
+ };
+ } else if (isNumber(input) || !isNaN(+input)) {
+ duration = {};
+ if (key) {
+ duration[key] = +input;
+ } else {
+ duration.milliseconds = +input;
+ }
+ } else if ((match = aspNetRegex.exec(input))) {
+ sign = match[1] === '-' ? -1 : 1;
+ duration = {
+ y: 0,
+ d: toInt(match[DATE]) * sign,
+ h: toInt(match[HOUR]) * sign,
+ m: toInt(match[MINUTE]) * sign,
+ s: toInt(match[SECOND]) * sign,
+ ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
+ };
+ } else if ((match = isoRegex.exec(input))) {
+ sign = match[1] === '-' ? -1 : 1;
+ duration = {
+ y: parseIso(match[2], sign),
+ M: parseIso(match[3], sign),
+ w: parseIso(match[4], sign),
+ d: parseIso(match[5], sign),
+ h: parseIso(match[6], sign),
+ m: parseIso(match[7], sign),
+ s: parseIso(match[8], sign),
+ };
+ } else if (duration == null) {
+ // checks for null or undefined
+ duration = {};
+ } else if (
+ typeof duration === 'object' &&
+ ('from' in duration || 'to' in duration)
+ ) {
+ diffRes = momentsDifference(
+ createLocal(duration.from),
+ createLocal(duration.to)
+ );
+
+ duration = {};
+ duration.ms = diffRes.milliseconds;
+ duration.M = diffRes.months;
+ }
+
+ ret = new Duration(duration);
+
+ if (isDuration(input) && hasOwnProp(input, '_locale')) {
+ ret._locale = input._locale;
+ }
+
+ if (isDuration(input) && hasOwnProp(input, '_isValid')) {
+ ret._isValid = input._isValid;
+ }
+
+ return ret;
+}
+
+createDuration.fn = Duration.prototype;
+createDuration.invalid = invalid;
+
+function parseIso(inp, sign) {
+ // We'd normally use ~~inp for this, but unfortunately it also
+ // converts floats to ints.
+ // inp may be undefined, so careful calling replace on it.
+ var res = inp && parseFloat(inp.replace(',', '.'));
+ // apply sign while we're at it
+ return (isNaN(res) ? 0 : res) * sign;
+}
+
+function positiveMomentsDifference(base, other) {
+ var res = {};
+
+ res.months =
+ other.month() - base.month() + (other.year() - base.year()) * 12;
+ if (base.clone().add(res.months, 'M').isAfter(other)) {
+ --res.months;
+ }
+
+ res.milliseconds = +other - +base.clone().add(res.months, 'M');
+
+ return res;
+}
+
+function momentsDifference(base, other) {
+ var res;
+ if (!(base.isValid() && other.isValid())) {
+ return { milliseconds: 0, months: 0 };
+ }
+
+ other = cloneWithOffset(other, base);
+ if (base.isBefore(other)) {
+ res = positiveMomentsDifference(base, other);
+ } else {
+ res = positiveMomentsDifference(other, base);
+ res.milliseconds = -res.milliseconds;
+ res.months = -res.months;
+ }
+
+ return res;
+}